Finding the Third Proportional to 16,200 and 34,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200 : 34,645.50 = 34,645.50 : x
2. Step 2: Convert to fraction form
   16,200/34,645.50 = 34,645.50/x
3. Step 3: Cross multiply
   16,200x = 34,645.50 × 34,645.50
4. Step 4: Simplify right side
   16,200x = 1,200,310,670.25
5. Step 5: Solve for x
   x = 1,200,310,670.25/16,200
6. Step 6: Final answer
   x = 74,093.25